empty the array js code example

Example 1: Javascript remove empty elements from array

var colors=["red","blue",,null,undefined,,"green"];

//remove null and undefined elements from colors
var realColors = colors.filter(function (e) {return e != null;});
console.log(realColors);

Example 2: empty array js

let list = [1, 2, 3, 4];
function empty() {
    //empty your array
    list.length = 0;
}
empty();